BitBills Zero-Day (non-destructive private key sweeping) 6 months ago
tl;dr: Do not buy BitBills on the secondary market. Sweeping the private key is trivial and non-destructive (requires physical access).
HN user
tl;dr: Do not buy BitBills on the secondary market. Sweeping the private key is trivial and non-destructive (requires physical access).
Well, you could look at the charts of exchanges before mtgox, like bitcoinmarket.com with data from 2010:
PayPal USD: http://bitcoincharts.com/charts/bcmPPUSD#czsg2010-01-01zeg20...
LibertyReserve USD: http://bitcoincharts.com/charts/bcmLRUSD#czsg2010-01-01zeg20...